Dortmund, Germany

Siegfried Grone

This inventor holds 1 USPTO granted patent. Top assignee: Thyssen Industrie Ag. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Siegfried Grone. Retrieved from https://idiyas.com/inventor/siegfried-grone-eoed9kyz

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: Siegfried Grone: Innovator in Metal Workpiece Manufacturing

Introduction

Siegfried Grone is a notable inventor based in Dortmund, Germany. He has made significant contributions to the field of manufacturing, particularly in the production of annular metal workpieces. His innovative methods have paved the way for advancements in metalworking techniques.

Latest Patents

Siegfried Grone holds a patent for a method of manufacturing annular metal workpieces. This method involves heating a workpiece bloom or bar to a forging temperature, followed by upsetting and piercing the workpiece to create a pierced blank. The process includes roughening the pierced blank while it is rotated, ultimately shaping it into a ring with a rectangular cross-section. The method is designed to ensure that the internal diameter of the ring is equal to or slightly larger than that of the finished part. The rolling mill used for this method features specially designed rolls that allow for precise shaping of the metal.

Career Highlights

Siegfried Grone has had a distinguished career, working with Thyssen Industrie AG, where he has applied his expertise in metal manufacturing. His innovative approach has contributed to the efficiency and quality of metal workpieces produced by the company.

Collaborations

Siegfried has collaborated with Erich Dittrich, a fellow professional in the field. Their partnership has likely fostered advancements in manufacturing techniques and processes.

Conclusion

Siegfried Grone's contributions to the manufacturing industry, particularly through his patented methods, highlight his role as an innovator in metal workpiece production. His work continues to influence the field and improve manufacturing practices.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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